... , pull up, spin off action Specifications & Placing capability:Riveting Capacity:M4-M12(8", 10", 1/4", 5/16", 3/8", 1 ... -16UNC,3/8-24UNF,1/2-13UNCAccessories:Five nose pieces (M4, M5, M6, M8 and M10) ;Two sets of each mandrel ... ;One piece of syringe;One regulator . Air Nut Rivet Gun M4-M12 SGR008